Portfolio filters stop working since WPML installing

Hi there
I’m preparing a website in localhost (wamp server) and Grand theme 1.3.9. Added so many portfolio items, then wpml 3.1.7.2 for multilanguage. Portfolio filters (based on portfolio categories) stopped working either in masonry 3 and 4 columns. Got no portfolios with any category button I hit. Insted every portfolio belongs to a category.
Any suggestion?
Thanks

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